Goodwill and Other Intangible Assets Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Impairment	$ 0	$ 21,034
Finite-Lived Intangible Assets, Gross	26,752	27,938	$ 16,522
Amortization of Intangible Assets	(3,504)	(3,415)	(1,500)
Finite-Lived Intangible Assets, Translation Adjustments	(106)	(24)
Intangible Assets, Gross (Excluding Goodwill)	28,917	30,103	18,687
Finite-Lived Intangible Assets, Accumulated Amortization	(12,941)	(9,676)	(6,263)
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	150	150	150
Amortization of Intangible Assets	0	(15)
Finite-Lived Intangible Assets, Translation Adjustments	0	0
Finite-Lived Intangible Assets, Accumulated Amortization	(150)	(150)	(135)
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	6,440	6,440	5,100
Indefinite-lived trademarks	2,165	2,165	2,165
Amortization of Intangible Assets	(474)	(374)
Finite-Lived Intangible Assets, Translation Adjustments	0	0
Finite-Lived Intangible Assets, Accumulated Amortization	(1,528)	(1,054)	(680)
Client Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	19,190	20,376	10,300
Amortization of Intangible Assets	(2,932)	(2,929)
Finite-Lived Intangible Assets, Translation Adjustments	(106)	(24)
Finite-Lived Intangible Assets, Accumulated Amortization	(10,667)	(7,974)	(5,047)
Franchise Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	972	972	972
Amortization of Intangible Assets	(98)	(97)
Finite-Lived Intangible Assets, Translation Adjustments	0	0
Finite-Lived Intangible Assets, Accumulated Amortization	(596)	(498)	$ (401)
Enterprise Talent [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment	0	10,654
Engineering Solutions [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment	$ 0	$ 10,380